CVE-2018-19215

HIGHNVD 7.87.8—

7.8

Netwide Assembler (NASM) 2.14rc16 has a heap-based buffer over-read in expand_mmac_params in asm/preproc.c for the special cases of the % and $ and ! characters.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 43.5%
KEV: Not listed

Published

November 12, 2018

Last Modified

November 21, 2024

References (8)

cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00015.html
cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00017.html
cve@mitrehttps://bugzilla.nasm.us/show_bug.cgi?id=3392525
cve@mitrehttps://repo.or.cz/nasm.git/commit/4b5b737d4991578b1918303dc0fd9c9ab5c7ce4f
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00015.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00017.html
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.nasm.us/show_bug.cgi?id=3392525
af854a3a-2127-422b-91ae-364da2661108https://repo.or.cz/nasm.git/commit/4b5b737d4991578b1918303dc0fd9c9ab5c7ce4f

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-125Out-of-bounds Read

Data Freshness Timeline

(refreshed 9× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 01:16 UTCEG score recompute
2026-05-28 01:15 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2018-19215?

CVE-2018-19215 is a high vulnerability published on November 12, 2018. Netwide Assembler (NASM) 2.14rc16 has a heap-based buffer over-read in expandmmacparams in asm/preproc.c for the special cases of the % and $ and ! characters.

When was CVE-2018-19215 disclosed?

CVE-2018-19215 was first published in the National Vulnerability Database on November 12, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-19215 actively exploited?

CVE-2018-19215 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 43.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-19215?

CVE-2018-19215 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2018-19215?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-19215, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2018-19215

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-19215?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (8)

Frequently asked(5)

Related CVEs(same CWE)